That's a good point about the data entry. I've never really had a problem entering data into CSV file or database, but I will concede that it is even easier to

That's a good point about the data entry. I've never really had a problem entering data into CSV file or database, but I will concede that it is even easier to enter the data via a spreadsheet. However, I still think custom software (with proper UI for input if necessary) is the better way of dealing with the actual solution that a spreadsheet is ultimately trying to solve.